Getting a valid sample - Samenvattingen en Aantekeningen

Variables - correct answer-the events, characteristics, behaviors, or conditions that researchers measure and study. subject or participant - correct answer-an individual person or animal a researcher studies. Sample - correct answer-a collection of subjects researchers study. Researchers use samples because they cannot study the entire population. Population - correct answer-the collection of people or animals from which researchers draw a sample. Researchers study the sample and gener...

Elementary Statistics- FINAL EXAM REVIEW Questions and Answers 100% Pass Which of the following represents data? A.Quiz scores from a college level statistics course. B.20% of the students in a math class make an A. C.A radio station announces the results of a contest. D.A local dentist creates a questionnaire to determine the quality of the care received during an office visit - ANSWER-A.Quiz scores from a college level statistics course. A research company performed a study of Machiav...

PSYC 3020 Final Exam | Questions with Verified Answers A categorical variable can always be measured using a nominal scale (T/F) True In soccer, the team with the highest number of goals is categorized as the winner. The other team is categorized as the loser. What type of scale is this? Ordinal Consider political parties from left to right (One nation, Nationals, LNP, Labour, Greens. What type of scale is this? Ordinal Olympics (Gold, Silver, Bronze). What type of scale is this? Ordinal "As ...

BCTC Stats exam 1 Questions and Answers 100% Pass What is a voluntary response sample? - A sample in which the subjects themselves decide whether to be included in the study. Use common sense to determine whether the given event is either impossible, possible but very unlikely, or possible and likely. (New England beat Denver in a football game by a score of 140 to 100) - possible, but very unlikely In a study of a weight loss program, 45 subjects lost a mean of 2.7 lbs after 12 months. ...

descriptive epidemiology - epidemiologic studies concerned with characterizing the amount and distribution of health and disease within a population WHO is getting sick? (ex sex, age, race/ethnicity) WHERE are they getting sick? (ex country, rural/urban, near factory) WHEN are they getting sick? (over a day, year, decade) descriptive study designs - cross-sectional, case reports, case series, ecologic analytic epidemiology - examines causal hypotheses regarding the association between exp...

WGU C207 Data-Driven Decision-Making Final Exam (Latest 2025/ 2026 Update) Questions and Verified Answers- 100% Correct| Already Grade A Frame the Problem, Solving the Problem and Communicating Results are part of which decision making model? - Answer-Davenport-Kim three-stage model /.In which stage of the Davenport-Kim model is problem recognition? - Answer-Framing the problem /.In which stage of the Davenport-Kim model is data collection? - Answer-Solving the problem /.What is a ...

BCTC STATS EXAM 1 EXAM REPORTED QUESTIONS WITH CORRECT DETAILED ANSWERS Why is a voluntary response sample generally unsuitable for methods of statistics? - Answer-People with special interests are more likely to respond, so the sample is likely to be biased. Based on a study of household incomes of men and women who are married, a researcher concludes that marriage causes people to become wealthier.Do you agree with this conclusion? - Answer-No. There may be a relationship between marital ...

Statistics BEC1 Final Exam Questions and Answers Latest (Graded). Which of the following correctly describes the relationship between a sample and a population? A.A population and a sample are not related. B.A population is a group of samples that may or may not be included in a study C.A sample is a group of subjects selected from a population to be studied. D.A sample is a group of populations that are subject to observation. Answer Key: C Part 2 of 9 - 2.0/ 2.0 Points Question 2 of 25...

Statistics BEC1 Final Exam Questions and Answers Latest Updated Graded A+. A furniture manufacturer offers bookcases in 5 different sizes and 3 different colors. If every color is available in every size, then the total number of different bookcases is A.5 B.8 C.15 D.30 Answer Key: C Part 3 of 9 - 3.0/ 3.0 Points Question 4 of 25 1.0/ 1.0 Points Find the variance of the following probability distribution. X P(X) 1 0.10 2 0.35 3 0.10 4 0.15 5 0.30 A.1.44 B.2.06 C.1.76 D.1.2 A...

CPCE Study Guide 1945 Questions with Answers 2023 The Sensorimotor period is part of whose developmental stage theory? - CORRECT ANSWER Piaget Presenting stimuli in different sequences to reduce "order of presentation" influences in an experiment is called: - CORRECT ANSWER Counterbalancing The Eskimo word "piblokto" refers to "arctic hysteria," characterized by uncontrolled screaming and crying that is often accopanied by running through the snow naked. This is an example of wh...